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Standard charge transfer rate constants for Nb(V)/Nb(IV) redox pairs in fluoride melts

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Abstract

Standard charge transfer rate constants (k s) were defined for Nb(V)/Nb(IV) redox couples in NaF-KF (eutectic)-K2NbF7, KF-K2NbF7, and CsF-K2NbF7 melts using the cyclic voltammetry technique. It was established that in fluoride melts, the k s values change in the following order depending on the composition of the second coordination sphere: k s (CsF) < k s (KF) < k s (NaF-KF).

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Authors and Affiliations

  1. Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials, Apatity, Murmansk Oblast’, 184209, Russia

    A. V. Popova & S. A. Kuznetsov

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  1. A. V. Popova
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  2. S. A. Kuznetsov
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Correspondence to S. A. Kuznetsov.

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Original Russian Text © A.V. Popova, S.A. Kuznetsov, 2012, published in Elektrokhimiya, 2012, Vol. 48, No. 1, pp. 102–107.

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Popova, A.V., Kuznetsov, S.A. Standard charge transfer rate constants for Nb(V)/Nb(IV) redox pairs in fluoride melts. Russ J Electrochem 48, 93–98 (2012). https://doi.org/10.1134/S1023193512010132

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